#
# SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import sys

INTERNAL_CORRECTNESS_CHECKS = bool(
    os.environ.get("POLYGRAPHY_INTERNAL_CORRECTNESS_CHECKS", "0") != "0"
)
"""
bool: Whether internal correctness checks are enabled.
This can be configured by setting the 'POLYGRAPHY_INTERNAL_CORRECTNESS_CHECKS' environment variable.
"""

AUTOINSTALL_DEPS = bool(os.environ.get("POLYGRAPHY_AUTOINSTALL_DEPS", "0") != "0")
"""
bool: Whether Polygraphy will automatically install required Python packages at runtime.
This can be configured by setting the 'POLYGRAPHY_AUTOINSTALL_DEPS' environment variable.
"""

ASK_BEFORE_INSTALL = bool(os.environ.get("POLYGRAPHY_ASK_BEFORE_INSTALL", "0" != "0"))
"""
bool: Whether Polygraphy should ask before automatically installing required Python packages.
Has no effect if AUTOINSTALL_DEPS is not enabled.
This can be configured by setting the 'POLYGRAPHY_ASK_BEFORE_INSTALL' environment variable.
"""

INSTALL_CMD = os.environ.get(
    "POLYGRAPHY_INSTALL_CMD", f"{sys.executable} -m pip install"
).split()
"""
List[str]: The command to use to automatically install dependencies. Only relevant when
AUTOINSTALL_DEPS is enabled. Defaults to ``["python", "-m", "pip", "install"]``.
This can be configured by setting the 'POLYGRAPHY_INSTALL_CMD' environment variable to a
string containing the command; for example: ``python3 -m pip install``.
"""

ARRAY_SWAP_THRESHOLD_MB = int(
    os.environ.get("POLYGRAPHY_ARRAY_SWAP_THRESHOLD_MB", "-1")
)
"""
int: The threshold, in megabytes, above which Polygraphy will evict an array from memory and swap it to disk.
A negative value disables swapping and a value of 0 causes all arrays to be saved to disk.
Disabled by default.
This can be configured by setting the 'POLYGRAPHY_ARRAY_SWAP_THRESHOLD_MB' environment variable.
"""